5-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carbonyl chloride
5-Nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carbonyl chloride
4-Nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carbonyl chloride
4-(Bromomethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride